Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

CHICAGO-LATROBE 1/2"-20 UNF General Purpose Spiral-Point Tap - General Purpose Spiral-Point Taps
CHICAGO-LATROBEGeneral Purpose Spiral-Point Taps

CHICAGO-LATROBE 1/2"-20 UNF General Purpose Spiral-Point Tap

The CHICAGO-LATROBE Spiral Point Tap (MPN 173035) is a general purpose spiral-point tap with a 1/2"-20 UNF thread, H3 / 2B tolerance, bottoming chamfer, and 3-flute high-speed steel construction. 3G Electric…

SKU 3G-OTH-214902

Brand
CHICAGO-LATROBE
Item
1/2"-20 UNF General Purpose Spiral-Point Tap
Category
General Purpose Spiral-Point Taps
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
173035
Type
H3 / 2B, Bottoming Chamfer, High Speed Steel
Flute
3

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

CHICAGO-LATROBE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CHICAGO-LATROBE Spiral Point Tap (MPN 173035) is a general purpose spiral-point tap with a 1/2"-20 UNF thread, H3 / 2B tolerance, bottoming chamfer, and 3-flute high-speed steel construction. 3G Electric interprets your demand for this OEM-specified tool and delivers it across 14 industrial departments, with specialist depth in combustion, pumps, and controls as an authorized distributor.

Frequently Asked Questions

What is the CHICAGO-LATROBE Spiral Point Tap 173035 used for?

The CHICAGO-LATROBE Spiral Point Tap 173035 is used for threading through-holes in metal, primarily in general manufacturing and maintenance. Its spiral-point design pushes chips forward, preventing clogging. It is suitable for materials like steel and aluminum, common in automotive and industrial applications.

What are the specifications of the CHICAGO-LATROBE Spiral Point Tap 173035?

The CHICAGO-LATROBE Spiral Point Tap 173035 has a thread size of 1/2"-20 UNF, with a H3 / 2B tolerance class. It features 3 flutes, a bottoming chamfer, and is made from high-speed steel. The manufacturer part number is 173035. It is designed for general-purpose threading in through-holes.

Where to buy the CHICAGO-LATROBE Spiral Point Tap 173035 worldwide?

You can source the CHICAGO-LATROBE Spiral Point Tap 173035 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead times. We supply this tap to procurement teams and engineers globally.

How to select the correct CHICAGO-LATROBE Spiral Point Tap for a job?

To select the correct CHICAGO-LATROBE Spiral Point Tap, match the thread size (e.g., 1/2"-20 UNF) and tolerance class (H3 / 2B) to your hole specifications. Use a bottoming chamfer for blind holes or a plug chamfer for through-holes. Ensure the tap material (high-speed steel) suits your workpiece material. Consult a tap selection guide for best results.

Used in

Common applications for CHICAGO-LATROBE
Aerospace assembly — Chicago-Latrobe NAS 907 Type B aircraft-extension drill bits for drilling fastener holes in aluminum and titanium skins.
Metal fabrication — Chicago-Latrobe reduced-shank drill bit sets for enlarging holes in structural steel using magnetic drill presses.
Maintenance repair — Chicago-Latrobe left-hand cobalt jobber-length drill bits for removing broken bolts in machinery.
Tool and die making — Chicago-Latrobe jobber-length drill bit sets with 135° split point for precision hole drilling in hardened steels.
Automotive repair — Chicago-Latrobe spiral-flute screw extractors for removing seized fasteners in engine blocks or exhaust systems.
General manufacturing — Chicago-Latrobe HSS jobber-length drill bits for production drilling in mild steel and cast iron.

CHICAGO-LATROBE Products

3G Electric supplies CHICAGO-LATROBE general purpose spiral-point taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
This spiral-point tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral-point geometry pushes chips forward, preventing clogging. It features a bottoming chamfer for threading to the bottom of a hole, H3 / 2B tolerance, and high-speed steel construction. Common applications include general manufacturing and maintenance threading operations
CHICAGO-LATROBE
This spiral-point tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral-point geometry pushes chips forward, preventing clogging. It features a bottoming chamfer for threading to the bottom of a hole, H3 / 2B tolerance, and high-speed steel construction. Common applications include general manufacturing and maintenance threading operations
CHICAGO-LATROBE Spiral Point Tap: 3/8"-24 UNF, H3 / 2B, 3 Flute, Bottoming Chamfer, High Speed Steel (MPN 173031)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 3/8"-24 UNF, H3 / 2B, 3 Flute, Bottoming Chamfer, High Speed Steel (MPN 173031)
CHICAGO-LATROBE Spiral Point Tap: 3/4"-10 UNC, H3 / 2B, 3 Flute, Bottoming Chamfer, High Speed Steel (MPN 173037)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 3/4"-10 UNC, H3 / 2B, 3 Flute, Bottoming Chamfer, High Speed Steel (MPN 173037)
CHICAGO-LATROBE Spiral Point Tap: 1/2"-13 UNC, H3 / 2B, 3 Flute, Bottoming Chamfer, High Speed Steel (MPN 173034)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 1/2"-13 UNC, H3 / 2B, 3 Flute, Bottoming Chamfer, High Speed Steel (MPN 173034)
CHICAGO-LATROBE Spiral Point Tap: 3/8"-16 UNC, H3 / 2B, 3 Flute, Bottoming Chamfer, High Speed Steel (MPN 173030)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 3/8"-16 UNC, H3 / 2B, 3 Flute, Bottoming Chamfer, High Speed Steel (MPN 173030)
General purpose spiral-point tap for through-hole threading. Features H3 / 2B tolerance, bottoming chamfer, and 3 flutes. Made from high speed steel. Suitable for manual or CNC tapping in production environments
CHICAGO-LATROBE
General purpose spiral-point tap for through-hole threading. Features H3 / 2B tolerance, bottoming chamfer, and 3 flutes. Made from high speed steel. Suitable for manual or CNC tapping in production environments

More from CHICAGO-LATROBE

View all CHICAGO-LATROBE parts
This spiral-point tap is designed for threading #10-32 UNF holes in production and maintenance applications. The bottoming chamfer allows threading close to the bottom of blind holes, while the high-speed steel construction provides cutting capability in ferrous and non-ferrous materials. The H2 / 2B tolerance and 2-flute design support general-purpose threading operations
CHICAGO-LATROBE
This spiral-point tap is designed for threading #10-32 UNF holes in production and maintenance applications. The bottoming chamfer allows threading close to the bottom of blind holes, while the high-speed steel construction provides cutting capability in ferrous and non-ferrous materials. The H2 / 2B tolerance and 2-flute design support general-purpose threading operations
CHICAGO-LATROBE Spiral Point Tap: M10x1.5 Metric, D6 / 6H, 3 Flute, Plug Chamfer, High Speed Steel (MPN 360946)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: M10x1.5 Metric, D6 / 6H, 3 Flute, Plug Chamfer, High Speed Steel (MPN 360946)
CHICAGO-LATROBE Spiral Point Tap: 3/8"-16 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer (MPN 280603)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 3/8"-16 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer (MPN 280603)
CHICAGO-LATROBE Spiral Point Tap: M8x1.25 Metric, D5 / 6H, 2 Flute, Bottoming Chamfer (MPN 173046)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: M8x1.25 Metric, D5 / 6H, 2 Flute, Bottoming Chamfer (MPN 173046)
CHICAGO-LATROBE Spiral Point Tap: M2x0.4 Metric, D3 / 6H, 2 Flute, Bottoming Chamfer (MPN 173039)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: M2x0.4 Metric, D3 / 6H, 2 Flute, Bottoming Chamfer (MPN 173039)
CHICAGO-LATROBE Spiral Point Tap: #8-32 UNC, H2 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 356589)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: #8-32 UNC, H2 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 356589)
CHICAGO-LATROBE Spiral Point Tap: #8-32 UNC, H3 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 356633)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: #8-32 UNC, H3 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 356633)
This spiral-point tap is designed for threading blind holes in production machining. The spiral point geometry pushes chips forward, preventing clogging and enabling efficient chip evacuation. Suitable for general-purpose threading in ferrous and non-ferrous materials. Features a 5/16"-18 UNC thread, H3 / 2B tolerance, bottoming chamfer, and 2-flute design
CHICAGO-LATROBE
This spiral-point tap is designed for threading blind holes in production machining. The spiral point geometry pushes chips forward, preventing clogging and enabling efficient chip evacuation. Suitable for general-purpose threading in ferrous and non-ferrous materials. Features a 5/16"-18 UNC thread, H3 / 2B tolerance, bottoming chamfer, and 2-flute design